28575750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{5443}}^1$

素因数の和:5470

約数の個数: 64

約数和(自身を含む): 81529344

約数和(自身を除く): 52953594

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 5250, 5443, 10886, 16329, 27215, 32658, 38101, 54430, 76202, 81645, 114303, 136075, 163290, 190505, 228606, 272150, 381010, 408225, 571515, 680375, 816450, 952525, 1143030, 1360750, 1905050, 2041125, 2857575, 4082250, 4762625, 5715150, 9525250, 14287875, 28575750]

約数ペア:

[(1, 28575750), (2, 14287875), (3, 9525250), (5, 5715150), (6, 4762625), (7, 4082250), (10, 2857575), (14, 2041125), (15, 1905050), (21, 1360750), (25, 1143030), (30, 952525), (35, 816450), (42, 680375), (50, 571515), (70, 408225), (75, 381010), (105, 272150), (125, 228606), (150, 190505), (175, 163290), (210, 136075), (250, 114303), (350, 81645), (375, 76202), (525, 54430), (750, 38101), (875, 32658), (1050, 27215), (1750, 16329), (2625, 10886), (5250, 5443)]